body,
p,
ul,
li,
h2,
h3,
h4 {
  margin: 0;
  padding: 0;
}
ul {
  list-style: none;
}
/* flex */
.u-f {
  display: flex;
}
.u-f-column {
  flex-direction: column;
}
.u-f-ac {
  align-items: center;
}
.u-f-ae {
  align-items: flex-end;
}
.u-f-as {
  align-items: flex-start;
}
.u-f-js {
  justify-content: flex-start;
}
.u-f-jsb {
  justify-content: space-between;
}
.u-f-jsa {
  justify-content: space-around;
}
.u-f-jc {
  justify-content: center;
}
.u-f-je {
  justify-content: flex-end;
}
.u-f1 {
  flex: 1;
}
.u-fw {
  flex-wrap: wrap;
}
.u-f-nw {
  flex-wrap: nowrap;
}
